build(deps): bump esbuild-wasm from 0.8.27 to 0.17.3

[dependabot]

Bumps esbuild-wasm from 0.8.27 to 0.17.3.

Release notes

Sourced from esbuild-wasm's releases.

v0.17.3

• Fix incorrect CSS minification for certain rules (#2838)

  Certain rules such as @media could previously be minified incorrectly. Due to a typo in the duplicate rule checker, two known @-rules that share the same hash code were incorrectly considered to be equal. This problem was made worse by the rule hashing code considering two unknown declarations (such as CSS variables) to have the same hash code, which also isn't optimal from a performance perspective. Both of these issues have been fixed:

  /* Original input */
  @media (prefers-color-scheme: dark) { body { --VAR-1: [#000](https://github.com/evanw/esbuild/issues/000); } }
  @media (prefers-color-scheme: dark) { body { --VAR-2: [#000](https://github.com/evanw/esbuild/issues/000); } }
  /* Old output (with --minify) */
  @​media (prefers-color-scheme: dark){body{--VAR-2: #000}}
  /* New output (with --minify) */
  @​media (prefers-color-scheme: dark){body{--VAR-1: #000}}@​media (prefers-color-scheme: dark){body{--VAR-2: #000}}

v0.17.2

• Add onDispose to the plugin API (#2140, #2205)

  If your plugin wants to perform some cleanup after it's no longer going to be used, you can now use the onDispose API to register a callback for cleanup-related tasks. For example, if a plugin starts a long-running child process then it may want to terminate that process when the plugin is discarded. Previously there was no way to do this. Here's an example:

  let examplePlugin = {
    name: 'example',
    setup(build) {
      build.onDispose(() => {
        console.log('This plugin is no longer used')
      })
    },
  }

  These onDispose callbacks will be called after every build() call regardless of whether the build failed or not as well as after the first dispose() call on a given build context.

v0.17.1

• Make it possible to cancel a build (#2725)

  The context object introduced in version 0.17.0 has a new cancel() method. You can use it to cancel a long-running build so that you can start a new one without needing to wait for the previous one to finish. When this happens, the previous build should always have at least one error and have no output files (i.e. it will be a failed build).

  Using it might look something like this:

  • JS:

    let ctx = await esbuild.context({
      // ...
    })
    let rebuildWithTimeLimit = timeLimit => {

... (truncated)

Changelog

Sourced from esbuild-wasm's changelog.

Changelog: 2020

This changelog documents all esbuild versions published in the year 2020 (versions 0.3.0 through 0.8.28).

0.8.28

• Add a --summary flag that prints helpful information after a build (#631)

  Normally esbuild's CLI doesn't print anything after doing a build if nothing went wrong. This allows esbuild to be used as part of a more complex chain of tools without the output cluttering the terminal. However, sometimes it is nice to have a quick overview in your terminal of what the build just did. You can now add the --summary flag when using the CLI and esbuild will print a summary of what the build generated. It looks something like this:

  $ ./esbuild --summary --bundle src/Three.js --outfile=build/three.js --sourcemap
  build/three.js      1.0mb ⚠️
  build/three.js.map  1.8mb
  ⚡ Done in 43ms
  

• Keep unused imports in TypeScript code in one specific case (#604)

  The official TypeScript compiler always removes imported symbols that aren't used as values when converting TypeScript to JavaScript. This is because these symbols could be types and not removing them could result in a run-time module instantiation failure because of missing exports. This even happens when the tsconfig.json setting "importsNotUsedAsValues" is set to "preserve". Doing this just keeps the import statement itself but confusingly still removes the imports that aren't used as values.

  Previously esbuild always exactly matched the behavior of the official TypeScript compiler regarding import removal. However, that is problematic when trying to use esbuild to compile a partial module such as when converting TypeScript to JavaScript inside a file written in the Svelte programming language. Here is an example:

  <script lang="ts">
    import Counter from './Counter.svelte';
    export let name: string = 'world';
  </script>
  <main>
    <h1>Hello {name}!</h1>
    <Counter />
  </main>

  The current Svelte compiler plugin for TypeScript only provides esbuild with the contents of the <script> tag so to esbuild, the import Counter appears to be unused and is removed.

  In this release, esbuild deliberately deviates from the behavior of the official TypeScript compiler if all of these conditions are met:

  • The "importsNotUsedAsValues" field in tsconfig.json must be present and must not be set to "remove". This is necessary because this is the only case where esbuild can assume that all imports are values instead of types. Any imports that are types will cause a type error when the code is run through the TypeScript type checker. To import types when the importsNotUsedAsValues setting is active, you must use the TypeScript-specific import type syntax instead.

  • You must not be using esbuild as a bundler. When bundling, esbuild needs to assume that it's not seeing a partial file because the bundling process requires renaming symbols to avoid cross-file name collisions.

  • You must not have identifier minification enabled. It's useless to preserve unused imports in this case because referencing them by name won't work anyway. And keeping the unused imports would be counter-productive to minification since they would be extra unnecessary data in the output file.

  This should hopefully allow esbuild to be used as a TypeScript-to-JavaScript converter for programming languages such as Svelte, at least in many cases. The build pipeline in esbuild wasn't designed for compiling partial modules and this still won't be a fully robust solution (e.g. some variables may be renamed to avoid name collisions in rare cases). But it's possible that these cases are very unlikely to come up in practice. Basically this change to keep unused imports in this case should be useful at best and harmless at worst.

Commits

• acc5bec publish 0.17.3 to npm
• f8c5139 fix #2838: bugs due to typos in the css minifier
• a6a2f2f reduce hash collisions for css vars
• a98870a publish 0.17.2 to npm
• 2163bf6 attempt to work around a ci-only problem
• 1d9e158 attempt to make cancel + rebuild more robust
• 7ba9504 rename waitGroup to disposeWaitGroup
• f0bff33 optimization: skip on-end packet when not needed
• 345ac51 test coverage for js watch output to stdout
• a691c04 test coverage for native watch output to stdout
• Additional commits viewable in compare view

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[dependabot]

Superseded by #99.